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Mid-level Environmental Engineer/Scientist/Geologist

GSI Environmental Inc.
Missoula, MT Full Time
POSTED ON 12/26/2025
AVAILABLE BEFORE 2/25/2026

If you're looking for a fast-paced and dynamic work environment where you can apply your academic know-how, develop superior technical skills, and collaborate with top-notch industry professionals on a variety of exciting environmental projects, then GSI Environmental is the place for you!

At GSI, we seek the best and brightest talent and provide a supportive environment for career development. Our company culture is built on excellent service, teamwork, and technical collaboration to solve the most challenging environmental problems. We have an immediate opening for a mid-level Environmental or Civil Engineer/Scientist/Geologist. Come join our team!

 

Responsibilities:

  • Support study designs for site characterization, assessment programs, and remedial options for site cleanup, as well as environmental due diligence, regulatory compliance, and permitting activities. 
  • Manage, analyze, and interpret environmental data using statistical, data visualization, and/or modeling tools. 
  • Scope, coordinate, and perform fieldwork to support site characterization, environmental assessment, remediation, and restoration projects. Fieldwork may include conducting hydraulic tests, overseeing drilling, collection of groundwater, soil, and/or surface water samples and other field efforts (e.g., wetland delineation and biological surveys). 
  • Permitting and regulatory compliance support. 
  • Develop and track project budgets. 
  • Prepare high-quality technical presentations, reports, letters, plans, and proposals with minimal senior GSI staff oversight. 
  • Regularly interact with senior GSI staff, clients, and regulators to communicate project status. 
  • Coordinate with vendors, subcontractors, and analytical laboratories and independently perform subcontractor oversight. 
  • Perform and oversee data entry and QA/QC of data tables, maps, reports, and other work products. 
  • Independently perform research tasks with input from senior staff and technical experts. 
  • Contribute to a team atmosphere through collaboration with technical experts, project managers, colleagues, and subcontractors. 

 

Qualifications:

 

  • A Bachelors degree or higher in the Geosciences, Civil/Environmental Engineering, or related scientific field is required.  
  • Between 3 and 10 years of relevant professional work experience is preferred. 
  • Required skills and qualifications include: 
  • Experience with data management, database and office software, and data analysis. 
  • Excellent organizational, verbal, and written communication 
  • Ability to manage multiple tasks and organize complex datasets 
  • Ability to work independently and as part of a team. 
  • Valid drivers license and clear driving record 
  • Ability to travel domestically. 

Additional preferred skillsets and qualifications include:

  • Working knowledge of modeling programs (e.g., Leapfrog, MODFLOW, and MODFLOW-USG). 
  • Working knowledge of database platforms (e.g., EQuIS and PostgreSQL). 
  • Experience in water resources studies, infrastructure design, and management. 
  • Working knowledge of state and federal environmental regulations is preferred (e.g., RCRA and/or CERCLA, NEPA). 
  • 40-hour OSHA HAZWOPER certification 
  • MSHA certification  

Job Perks:

  • Competitive salary and benefits.
  • Quarterly and year-end bonuses.
  • Flexible work environment with potential for remote work.
  • On-the-job training, mentorship, and professional development.
  • Participation in conferences, technical presentations, and papers.
  • Collaborative atmosphere.

Salary : $80,000 - $95,000

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